Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:49

General

  • Target

    Term and Conditions.exe

  • Size

    389KB

  • MD5

    25c25e8a6169d9debe8d2d98a8264b84

  • SHA1

    7894e65a0ff81a059d6b72def4fc6a3563ed9560

  • SHA256

    4e6f8dbaac0d3d8f52ed89bbd3a295661640c929394ae12adb0248638eaf02d8

  • SHA512

    9b4025838ff70c094687617d48e8858d761932734ae7e2b2a3b1dddc0019fad05f26000333f05fbd8271bf59f641ae37f34109efa6cc0d864334db6fdb89c726

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.saamaygroup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pawan100

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Term and Conditions.exe
    "C:\Users\Admin\AppData\Local\Temp\Term and Conditions.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4068
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:4824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2400-130-0x0000000000C90000-0x0000000000CF8000-memory.dmp

    Filesize

    416KB

  • memory/2400-131-0x0000000005BC0000-0x0000000006164000-memory.dmp

    Filesize

    5.6MB

  • memory/2400-132-0x0000000005550000-0x00000000055E2000-memory.dmp

    Filesize

    584KB

  • memory/2400-133-0x0000000005710000-0x000000000571A000-memory.dmp

    Filesize

    40KB

  • memory/2400-134-0x0000000008D20000-0x0000000008DBC000-memory.dmp

    Filesize

    624KB

  • memory/4068-135-0x0000000000000000-mapping.dmp

  • memory/4068-136-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4068-137-0x0000000005830000-0x0000000005896000-memory.dmp

    Filesize

    408KB

  • memory/4068-138-0x0000000006690000-0x00000000066E0000-memory.dmp

    Filesize

    320KB

  • memory/4824-139-0x0000000000000000-mapping.dmp